Rolf Nussbaumer / Green cheeked / Red crowned amazon parrot at nest hole, Texas, USA.

LYNN M. STONE / Green cheeked amazon parrot

Lynn M. Stone / Yellow-cheeked / Red-lored Amazon parrot (Amazona autumnalis) parrot on perch. Captive.

Lynn M. Stone / Yellow-cheeked / Red-lored Amazon parrot (Amazona autumnalis), portrait. Captive.

LYNN M. STONE / Yellow-Cheeked Amazon Parrot (Amazona autumnalis) captive, from Central and South America

Claudio Contreras / Red crowned amazon parrot (Amazona viridigenalis), IUCN Endangered, captive.

Claudio Contreras / Red crowned amazon parrot (Amazona viridigenalis), IUCN Endangered, captive.

Claudio Contreras / Red crowned / Green cheeked amazon parrot (Amazona viridigenalis) in nest hole, captive, Tamaulipas, northeast Mexico, June

Rolf Nussbaumer / Pair of Green Cheeked / Red-crowned Parrot (Amazona viridigenalis) at nesting cavity in palm tree, Brownsville, Rio Grande Valley, Texas, USA. April 2001

LYNN M. STONE / Green cheeked Amazon parrot

LYNN M. STONE / Green cheeked Amazon parrot

Lucas Bustamante / Scarlet macaw (Ara macao), Orange-cheeked parrots (Pyrilia barrabandi) and Cobalt-winged parakeets (Brotogeris cyanoptera) drinking water at an Upper Amazon clay lick, Yasuni National Park, Orellana,...